Sasha Nagarajah

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Sasha Nagarajah is the co-founder of Joey, a regulated digital paediatric service that gives parents direct access to children's health specialists over chat. She built her career in London's fintech sector, where operating inside heavily regulated markets became the thread running through her work.

Before Joey, Nagarajah held product and operations roles at Tide and Pave, two companies whose growth depended on shipping quickly without falling foul of financial regulation. That combination — moving at startup pace inside a compliance perimeter — proved to be the transferable skill. She met her co-founder, Dr Abhinav Bhansali, through Zinc's venture-building programme, where the pair began working on the gap between what parents need from paediatric care and what the system is set up to deliver.

At Joey she leads product and operations, and drove the company's decision to pursue full healthcare regulation rather than position itself as a wellness or triage app — an unusually difficult route for a pre-seed startup, and one that took roughly a year of preparation. Joey is now regulated by the CQC, and closed a $1.4M pre-seed round in July 2026 backed by Zinc, SyndicateRoom and Innovate UK. Nagarajah has described the company's ambition as making specialist care an everyday reality for every family rather than a luxury for a few.